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~, .'~i I, Location Time eo"," Standard Number of Persons Killed Injured Path Length (Miles) Path Width (Yards) Estimated Dllmage Propl:rty Crops August 1997 Date Chamcter of Stonn CALIFORNIA. Southwest San Diego County 1 N Campo to 6 N Campo 03 J300PST 1415PST Subtropical moisture flowing around a stmng area of high pressure over the southwestern United States, ignited several intcll.w thunderstorms over the mountains of San Diego County dUling the afternoon. One stann south of Pine Valley produced 2.75 inches of rain in one hour and fifteen minutes, along with dime size hail. Th(: stonn filled a dry creek bed to bankfull, and sent mud and debris over a four mile stretch of Buckman Springs Road, from Oak Drive to Highway 94. o o Heavy Rain Orange County Corona Del Mar to 1 N Huntington Beacb 05 0600PST 3 Rip Currents 07 1500PST Surf whipped up by Hurricane Guillenno pounded beaches \n Orange County Wilh waves from 6 to 12 feet high. Hundreds of people were rescued, but rip currents were blamed for three injuries and one death. On the fifth, a 19 year old m,m wa~ swept away about a mile north of the Huntington Beach Pier. His body was rccovered several days later. On the sixth, a leenage boy and girl were pummelled on a beach in Corona Del MaL Another J 8 year old was pulled ashore and scnt to the hospital Wilh neck injurie" In Newport Beach, lifeguards made nearly 300 rescues on the fifth ,!nd sixth alone. M191W San Diego County rine Vly 06 IOJ5PST 0 0 1025PST A weatherohserver spotted a funnel cloud pendant from a thunderstorm near Pine Valley. Funnel Cloud CALIFORNIA. UDDer NOT RECEIVED. CALIFORNIA. West South Central CAZ040>041-044>047- Ventura County Coast - Los Angeles County Coasts Including Downtown Los Angeles - Ventura Count)" Interior Valleys 053>054 Ventura County Coastal VaUc:ys - Santa '''tonka !\Jount;:lins Recreation Area ~ Los Angeles County Valleys - Ventura County Mountains - Los Angeles Count)" Mountains Excluding The Santa Monica Range 03 1200PST 0 0 Exci'ssiw Heat 06 1800PST The combination of clear skies and weak off5hore flow produced record heat across Ventura and Los Angeles countlcs High temperatures ranged from the 90s at the coast to around J JO in the inland valleys. Above normal relative humidity combined with the high temperatures to produce heat indices r<tnging from 102 to 116. 1-} Ventura County Piru 05 12 J200PST J800PST o () 5M Wild/Fores( 1-'ire CAZ035-039>ll4J High temperatures combined with dry conditions to fuel a wildfire in Venhlra eounty...noI1h of Piru. The Hopper Canyon fire started at an oil platform in Hopper Canyon. Over 24,000 aeres were burned...hut no injuries were reported. Santa Barbara County Central Coast - Santa Barbara County South Coast - Ventura County Coast - Los Angdes Counly Coasts Including Downtown Los Angeles 06 0600PST 0 (J He:Jvy Surf 07 2JOOPST Hurricane Guillenno generated heavy surf across the beaches of Southem Califorr,ia. Average surf heights were 6 to 8 feet wilh local sels above 10 feet. Over 100 rescues were reported by local lifeguards. ::. CALIFORNIA. Western NONE REPORTED. COLORADO. Central and Northeast Jefferson County Arvada 04 IS00MST 0 0 Lightning sparked a small fire to a home causing minor damage ., \" Lightning ~;.~~, I.~, :j~: .'n ~:f~; o Jefferson COUDty Anada to Westminster 04 1500MST /" 0 0 0 2000MST Several intersections were flooded as heavy r<Jin producing thundcrstonns struck the area. highwaters and a number of businesses were also flooded. Urban/Sml Sl"ream Fld Several cars were damaged by tbe Larimer County Fl Collins 04 1830MST 0 0 Flood 2130MST Minor flooding problems were reported illlhe fort Collins area as thunderSlonns dumped an additional 4 inches of rainfall on the 21